I'm new to Jazz and need help self teaching [View all]

I bought two used Cornets and a Clarinet on eBay. The cornets are fe olds (Ambassador and Super), with serial numbers that date them to the late 40s-early 50s. I had them appraised, I'm not just stroking my ego here.
My clarinet is a wooden selmer with the serial number, "7916". My trumpets have already been checked and fixed to working condition, and my clarinet is in the shop right now for a couple weeks. I need general tips on self teaching for both.
I haven't been able to learn the Clarinet yet, so I'll say where I'm at on my trumpets. I have established a solid embouchure (although it needs work for sure), and I have learned my major scale. Any tips regarding self teaching music would help a lot! Thanks libs